Java Data Structures courses can help you learn about arrays, linked lists, stacks, queues, and hash tables. You can build skills in algorithm efficiency, data manipulation, and implementing search and sort techniques. Many courses introduce tools like Eclipse or IntelliJ IDEA, which support coding practices and debugging, allowing you to apply your knowledge in real coding environments. You'll also explore concepts such as recursion and tree structures, enhancing your ability to tackle complex programming challenges.

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Secure Coding, Object Oriented Design, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, HTML and CSS, Hypertext Markup Language (HTML), Typography, Cascading Style Sheets (CSS), Web Design, Web Design and Development, Web Development Tools, Browser Compatibility, Application Deployment, Front-End Web Development, Web Development, Animations, Development Environment, UI Components, Usability, Javascript, Frontend Performance, Maintainability, User Interface (UI)
Beginner · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Corporate Tax, Tax Compliance, Income Tax, Tax Management, Liquidation, Tax Laws, Tax, Corporate Accounting, Tax Planning, Mergers & Acquisitions, Capital Expenditure, Organizational Structure, Depreciation, Business Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Epidemiology, Trend Analysis, Chronic Diseases, Public Health, Public Health and Disease Prevention, Health Policy, Data Analysis, Biostatistics, System Monitoring, Health Informatics, Technical Communication, Media and Communications, Infectious Diseases, Law, Regulation, and Compliance, Data Ethics, Data Collection, Risk Analysis, Information Privacy
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Cloud Security, Data Management, Cloud Computing Architecture, Records Management, Security Management, Cloud Computing, Cyber Security Policies, Microsoft Azure, Threat Management, Disaster Recovery, Data Governance, Security Controls, Information Privacy, General Data Protection Regulation (GDPR), Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Logistic Regression, Model Evaluation
Mixed · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Social Network Analysis, Bayesian Network, Data Analysis, Python Programming, Probability Distribution
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, System Programming, Software Systems, Electronic Systems, Systems Design, Hardware Architecture, Software Architecture, Requirements Analysis, Real Time Data, Linux, Service Level, OS Process Management, System Requirements, Debugging, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Transfer Learning, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Content Development and Management, Client Services, Content Strategy, Presentations, Digital Marketing, Project Management, Competitive Analysis, Business Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, Customer experience improvement, IT Service Management, Service Improvement, Change Control, IT Management, Practice Management, Security Management, Technical Services, Enterprise Architecture, Continuous Improvement Process, Service Design, Managed Services, Agile Methodology, Governance, Risk Management Framework, Organizational Structure, Strategic Partnership, Information Management
Beginner · Specialization · 3 - 6 Months

IESE Business School
Skills you'll gain: Persuasive Communication, Corporate Communications, Crisis Management, Media Relations, Public Speaking, Strategic Communication, Media and Communications, Communication Strategies, Storytelling, Verbal Communication Skills, Influencing, Communication, Media Strategy, Digital Marketing, Press Releases, Leadership, Sales Presentations, Stakeholder Communications, Public Relations, Marketing Communications
Beginner · Specialization · 1 - 3 Months